On the the Job Preferences dialog, you can specify databases for structure elements.
Use the databases provided in Autodesk AutoCAD Structural Detailing - Formwork Drawings to:
o Sections
o Materials
o Openings (doors, windows, other openings)
o Spread footings
o Stairs
o Prefabricated elements (such as walls, columns, beams, and slabs)
Click Details to open another dialog: